[PATCH] D109963: [AArch64] Split bitmask immediate of bitwise AND operation

[Dave Green via Phabricator via llvm-commits]

dmgreen added inline comments.


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Comment at: llvm/test/CodeGen/AArch64/aarch64-split-and-bitmask-immediate.ll:132
+  %iv = phi i64 [ %inc, %for.inc ], [ 0, %loop.ph ]
+  %and = and i64 %a, 2098176
+  %cmp = icmp ult i64 %iv, %and
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I think Eli was referring to something like this: https://godbolt.org/z/YMYcqrroT
Which may or may be meaningfully worse, depending on vectorizations and constant hoisting.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D109963/new/

https://reviews.llvm.org/D109963